Segment Given: BA= BC and DA= EC
Proofs
Prove: BD BE
Statements
BA BC 3 DA FC. Given
BDE BE
A
Reasons
Answers
Answer:
Step-by-step explanation:
[tex]1) \overline{BA} \cong \overline{BC}, \overline{DA} \cong \overline{EC} \text{ (given)}\\2) \overline{BD} \cong \overline{BE}[/tex] (congruent segments subtracted from congruent segments form congruent segments)
Related Questions
pls help me dis is due at 3:00 pm 2day ASAP attachment above ^
|
Answers
Answer:
s=0.20p
Step-by-step explanation:
20% off an product means to subtract 20% of the original price from the original price.
What are the correct trigonometric ratios that could be used to determine the length of ln? check all that apply. sin(20°) = startfraction l n over 8 endfraction cos(70°) = startfraction 8 over l n endfraction tan(70°) = startfraction l n over m n endfraction sin(20°) = startfraction 8 over l n endfraction cos(70°) = startfraction l n over 8 endfraction
Answers
The correct answer is option E which is Cos ( 70 ) = [tex]\dfrac{LN}{8}[/tex].
The complete question is attached with the answer below:-
What is trigonometry?The branch of mathematics sets up a relationship between the sides and the angles of the right-angle triangle is termed trigonometry.
As we can see from the figure that ∠L = 70 and ∠M = 20 We can see that the length LN will be calculated as:-
Cos 70 = Base / Hypotenuse
So for an angle of 70, the base is LN and the hypotenuse is equal to 8 units.
Cos 70 = LN = 8
Therefore the correct answer is option E which is Cos ( 70 ) = [tex]\dfrac{LN}{8}[/tex].
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Answer:
A & E
Step-by-step explanation:
Jus took it on edge
Solve (4x+1) - (3x-4)
Answers
Answer:
= x + 5
Step-by-step explanation:
(4x+1) - (3x-4)
= (4x+1) -3x + 4
= 4x - 3x + 1 + 4
= x + 5
Point Q is on line segment PR . Given PQ=16 and PR=19, determine the length of QR
Answers
Answer:
QR = 3
Step-by-step explanation:
given that Q is on the segment PR , then
PQ + QR = PR ( substitute values )
16 + QR = 19 ( subtract 16 from both sides )
QR = 3
The calculated length of the segment QR is 3 units
How to determine the length of the segment QRFrom the question, we have the following parameters that can be used in our computation:
Point Q is on line segment PR
PQ = 16 and PR = 19
using the above as a guide, we have the following:
PQ + QR = PR
substitute the known values in the above equation, so, we have the following representation
16 + QR = 19
So, we have
QR = 19 - 16
Evaluate
QR = 3
Hence. the length of the segment QR is 3
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What is the length of the line?
Answers
Answer:
5 units
Step-by-step explanation:
Use Pythagorean Theorem
x = 4 units y = 3 units
4^2 + 3^2 = L^2
16 + 9 = L^2
L = 5
Answer:
5 units
Step-by-step explanation:
By the Pythagorean theorem:
c² = a² + b²
c = length of the line
a = 4
b = 3
Then:
c² = 4² + 3²
c² = 16 + 9
c² = 25
√c² = √25
c = 5
The length of each side of a square is 8.5 cm rounded to 1 decimal place.
Write the error interval for the perimeter, p, in the form a _< p
Answers
Answer:
make it more clear its not clear enough to understand the question
what is the term to term rule of 3,6,17,48,87
Answers
Answer:
term to term rule. • a rule that defines the value of each term in a sequence. if the previous terms are known, e.g. the Fibonacci sequence. xn = xn-1 + xn-1.
Step-by-step explanation:
To work out the term to term rule, give the first term and then the pattern. The first term is 17, and the pattern is to subtract 3 each time, so the term to term rule is 'start at 17 and subtract 3'. The next two terms of the sequence are 5 and 2, giving the sequence as: Question.
At a sale this week,a table is being sold for $476.This is a 15% discount from the original price.
Answers
Answer:
547.40
Step-by-step explanation:
476*15%
15 percent *476
= (15/100)*476
= (15*476)/100
= 7140/100 = 71.40
71.40 + 476 = 547.40 as original price
Which of the following is the square of a binomial?
A. 4m^2 - 6mn + 9n^2, B. 16x^2 + 24xy + 9y^2, C. c^2 - 2cd - d^2, D. a^2 + b^2.
Answers
All options except Option D , a² + b² , is the square of the binomial.
What is a Binomial ?A polynomial that contains only two term is called a Binomial.
The sum of square of a binomial is the sum of square of the first term , square of second term and twice of the product of the first and second term.
(a+b)² = a² +b² +2ab
(a-b)² = a² +b²-2ab
The options have to be broken down into this form to check whether they are square of a binomial
Option A : 4m² - 6mn + 9n² = (2m -3n)²
Option B: 16x² + 24xy + 9y²=(4x+3y)²
Option C : c²- 2cd - d²=(c-d)²
Option D : a² + b² cannot be written as the square of binomial.
All options except Option D is the square of the binomial.
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In a scale drawing, 3 inches
represents 10 miles. How many
inches represent 45 miles?
Answers
Answer:
13.5 inches
Step-by-step explanation:
3inches:10 miles
x inches: 45 miles
do cross multiply:
3*45=135
10*x=10x
so 135=10x
x=13.5 inches
Answer: 13.5
what is the area of the base?
Answers
A bag contains 8 red m&m's, 3 brown m&m’s, and 7 green m&m’s. Draw one m&m what’s the probability of drawing a brown m&m?
Answers
Answer:
8+3+7=18
probability of brown m&m is
[tex] \frac{3 }{18 } [/tex]
Write this percentage as a fraction in its simplest form. 96 %
(pls)
Answers
Answer:
24/25
Step-by-step explanation:
96%=0.96. 96/100=48/50=24/25
Help to solve give brainliest
Answers
Answer:
(B) 32Step-by-step explanation:
equation of The line L : y = -(1/2)x + 6
A(8 , b) ∈ L then b = -(1/2)(8) +6 then b = -4 + 6 = 2
Therefore ,
A(8 , 2)
AB = 2
CD = 6
BC = 8
…………………………………………
Area of the trapezoid ABCD
= (CB÷2)×(AB + CD)
= (8÷2)×(6+2)
= 32
A pendulum is raised to a certain height and released from point A, as shown in the image below. At its release, the pendulum is also given an initial velocity of 14 m/s. Assuming that the effects of friction and air resistance can be ignored, what will be the maximum height that the pendulum can reach - that is , what is the height at point B? (Recall that g = 9.8 m/s2.)
Answers
Answer:
D. 20 m
Step-by-step explanation:
The potential energy at Point B will be the sum of the potential and kinetic energies at point A.
__
energy formulasFor mass M, the potential energy at h meters above a rest height is ...
PE = Mgh
The kinetic energy of mass M with velocity v is ...
KE = 1/2Mv²
point A energyA pendulum with mass M launched downward at v = 14 m/s will have a total energy of ...
PE +KE = M(9.8 m/s²)(10 m) +1/2(M)(14 m/s)² = M(98 +98) = 196M J/kg
point B energyWhen the pendulum comes to rest at point B, its energy will all have been converted to potential energy. Then the height at point B is given by ...
PE = Mgh
196M J/kg = M(9.8 m/s²)h
h = (196M)/(9.8M) m = 20 m
The height of the mass at point B will be 20 meters.
hannah and andrea were selling tickets to the homecoming dance. they were set up in different
locations, and while andrea sold h number of homecoming tickets, hannah sold 3h. what
information can we gather about the relationship between how many tickets andrea sold and how
many hannah sold?
Answers
The relationship between the number of tickets is that Hannah sold three times as many tickets as Andrea.
How to determine the relationship?From the question, we have:
Andrea = h
Hannah = 3h
This means that:
Hannah = 3 * Andrea
So, the relationship is that Hannah sold three times as many tickets as Andrea.
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last and final one for the school year lol
Answers
Answer:
X=-46
Step-by-step explanation:
-(-46-10)
-(-56)
56 degrees
Which of the following are good ideas to use when gathering your resources?
Check all that apply.
A. Write down the facts.
B. Organize into a table.
C. Guess at the solution and see if you are close.
D. List potential formulas.
E. Form an equation.
F.Draw a diagram.
Answers
Answer:
a, b, d, e
maybe c
Step-by-step explanation:
cindy bought 7/8 yards of ribbon at the craft store . jacob bought 4/5 the length of ribbon as cindy. how many yards of ribbon did jacob buy.
Answers
Answer:
7/10
Step-by-step explanation:
PLS HELP ASAP find the measure of side b. round to the nearest whole number
Answers
Answer:
b=204
Step-by-step explanation:
The law of sine states that: [tex]\frac{SinA}{a} =\frac{SinB}{b} =\frac{SinC}{c}[/tex]
We know that a triangle has 180° total, so we can subtract the two angle measures we know to find the third angle: [tex]180-90-41=49[/tex]°.
Using these two things, we can come up with the equality [tex]\frac{Sin90^{o} }{270} =\frac{Sin49^o}{b}[/tex], which we can use to solve for side b.
[tex]\frac{Sin90^o}{270} =\frac{1}{270}[/tex], so we know that [tex]\frac{1}{270} =\frac{Sin49^o}{b}[/tex].
Next, we would multiply both sides by b to get [tex]\frac{1}{270}b=Sin49^o[/tex].
Sin49°≈0.75471, so to find b we would multiply 0.75471×270=203.77
Since the problem asks us to round to the nearest whole number, b=204
Hope this helps! :)
What is the exact value of x
Answers
x = 6(√2)
Step 1:
Say, 6 is perpendicular and x is the hypotenuse.
Step 2:
As we know sine is the ratio of perpendicular and hypotenuse.
∴ [tex]sin 45 = \frac{perpendicular}{hypotenuse}=\frac{6}{x}[/tex] ......................................(1)
Step 3:
As we know, sin45 = 1/√2
∴ put the value in equation 1
⇒ [tex]\frac{1}{\sqrt{2}} = \frac{6}{x}[/tex]
By solving the above equation, we get,
x = 6(√2)
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What is the value of the expression below?
2[3(16+)]-8
Answers
Answer:
94Step-by-step explanation
2 * [3 * (16 + 1)] - 8 =
2 * [3 * 17] - 8 =
2 * 51 - 8
102 - 8 =
94
Two urns contain blue and green balls. urn 1 contains 3 blue balls and 4 green balls. urn 2 contains 7 blue balls and 16 green balls.
1. if a blue ball is drawn, what is the probability that it came from urn 2?
2. if a green ball is drawn, what is the probability that it came from urn 1?
Answers
Answer: 3/20
Step-by-step explanation:
Probability of drawing a blueball from Urn I is
PI=66+4=610
Probability of drawing a blue ball from Urn II is
PII=22+6=28
Probability that both balls are blue
P=PI⋅PII=610⋅28=320
PLEASE ANSWER ASAP!!!!!!!!!!!! MUCH APPRECIATED!!
Answers
Based on the amount being deposited into the account each month, and the interest, the account will triple in value on 25 months..
When will the value of the account triple?First find the value of the account when tripled:
= 1,000 x 3
= $3,000
We can then use a spreadsheet to find the number of periods it will take to triple.
Convert the interest to a monthly figure as:
= 3.15% / 12
= 0.2625%
When you put the figures into the spreadsheet as shown, the number of months would be 25 months.
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EASY QUESTION Miguel plots points A, B, and C in the coordinate plane.
Answers
A. Distance between A and B is: 5 units.
B. Triangle ABC is not an equilateral triangle because only two of its sides are equal.
What is an Equilateral Triangle?An equilateral triangle has three sides that have the same length.
Given the vertices with their coordinate points as:
A (-3, 2)
B (-6, -2)
C (0, -2)
Use the distance formula, [tex]d =\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex], to find AB, BC, and AC:
AB = √[(−6−(−3))² + (−2−2)²]
AB = √25
AB = 5 units
BC = √[(−6−0)² + (−2−(−2))²]
BC = √36
BC = 6 units
AC = √[(−3−0)² + (2−(−2))²]
AC = 25
AC = 5 units
Only two of the sides of the triangle, AB and AC, are equal. Therefore, it is not an equilateral triangle.
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Does the table represent a function? Why or why not?
X
y
4
5
OA. Yes, because there is the same number of x-values as y-values.
B. Yes, because every x-value corresponds to exactly one y-value.
C. No, because two of the y-values are the same.
O
D. No, because one x-value corresponds to two different y-values.
579
03232
Answers
The correct answer is option D which is No because one x-value corresponds to two different y-values.
What is a function?A function in mathematics set up a relationship between the dependent variable and independent variable. on changing the value of the independent variable the value of the dependent variable also changes.
We can see from the table that the value of x at 5 is giving two different values of y that is 2 and 3. For a function, it is not possible to have two different outputs for the same input.
Therefore the correct answer is option D which is No because one x-value corresponds to two different y-values.
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(2x³+4x²-x+8) / (x² + 3x + 2)
Answers
[tex]\dfrac{2x^3+4x^2 -x+8}{x^2 +3x+2}\\\\\\=\dfrac{2x^3+6x^2+4x-2x^2-6x-4+x+12}{}\\\\=\dfrac{2x(x^2 +3x+2)-2(x^2 +3x+2)+x+12}{x^2 +3x+2}\\\\\\=\dfrac{2x(x^2+3x+2)}{x^2 +3x +2 }- \dfrac{2(x^2 +3x +2)}{x^2 +3x +2 } + \dfrac{x+12}{x^2 +3x+2}\\\\\\=2x-2 + \dfrac{x+2}{x^2 +3x +2}\\\\\\=2x-2 + \dfrac{x+12}{x^2 +2x +x +2}\\\\\\=2x-2 + \dfrac{x+12}{x(x+2) + x+2}\\\\\\=2x-2 + \dfrac{x+12}{(x+1)(x+2)}\\[/tex]
find the equation of a line that is parallel to y=3x+6 and passes through A
) (0,-2) B. (2,5) C.(4,1)
Answers
Answer:
Step-by-step explanation:
We'll look for an equation with the form y=mx+b, where m is the slope and b is the y-intercept (the value of y when x=0.
A line parallel to y=3x+6 will have the same slope, 3.
We can write y=3x+b. Any value of b can be used to generate a parallel line.
If we want that line to go through a specific point, such as (0,-2), we need to find a value of b that shifts the line so that it includes (0,-2). This can be done by using that point in the equation y=3x+b:
y=3x+b
-2=3*(0)+b for point (0,-2)
b = -2
The equation becomes y=3x-2
See the attached plot.
===========================
Do that same thing for the remaining two points.
For B: (2,5) The equation is y=3x-1
For C: (4,1) The equation is y=3x-11
Based on the graph how many distinct real numbers solutions does the equation X^3 + 6x^2 + 12x + 8 = 0 have?
Answers
Answer:
no real roots
Step-by-step explanation:
Find discriminant of quadratic equation:
A
= 62 - 4aC
2 Identify a,b,c
Identify a,b,c through coefficient:
a
b
C
6
= 12
8
Substitute and calculate
Substitute the value of a,b,c and calculate
discriminant (b2 - 4ac) :
-48
Determine number of solution Determine number of solution with
discriminant:
no real roots
PLS HELP QUICKLY
Which pair of functions are inverses of each other?
5
O A. f(x) = -2 and g(x) = +2
B. f(x) = 7x-2 and g(x) = 2
C. f(x) =x/5+ 6 and g(x) = 5x - y
D. f(x) = 3+ 6 and g(x) = 6x³
Answers
Answer: B
[tex]f(x) = 7x-2[/tex] and [tex]g(x) = \frac{x+2}{7}[/tex]
How to solve:
check if the composite functions of f(x) and g(x) are equal to x (this means they are inverses)
f[g(x)] = x
g[f(x)] = x
Step-by-step explanation:
Checking A.
[tex]f(x) = \frac{5}{x} -2[/tex]
[tex]g(x) = \frac{x+2}{5}[/tex]
[tex]f(g(x)) = f(\frac{x+2}{5} ) = \frac{5}{\frac{x+2}{5} } -2[/tex]
This does not equal x, so we know these are not inverses
Checking B.
[tex]f(x) = 7x-2[/tex]
[tex]g(x) = \frac{x+2}{7}[/tex]
[tex]f(g(x)) = f(\frac{x+2}{7} ) = 7(\frac{x+2}{7}) - 2 = x+2-2 = x[/tex]
[tex]g(f(x)) = g(7x-2) = \frac{7x-2 + 2}{7} = \frac{7x}{7} = x[/tex]
since both f(g(x)) = x and g(f(x)) = x, we can determine that they are inverses of each other.